18918794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12143}}^1$

素因数の和:12205

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 11684086

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 12143, 24286, 230717, 461434, 497863, 995726, 9459397, 18918794]

約数ペア:

[(1, 18918794), (2, 9459397), (19, 995726), (38, 497863), (41, 461434), (82, 230717), (779, 24286), (1558, 12143)]